Some work I'm doing has taken me to the vhpt_miss handler. I've been looking at the following snippet just wondering what happens in the case where the present bit is 0 and p10,p11 predicates are not set anotherwords they retain their application values. Would this not cause an errant insertion if either p10 or p11 were true in the application prior to the VHPT handler? - Mario. (p7) tbit.z p6,p7=r18,_PAGE_P_BIT // page present bit cleared? mov r22=cr.iha // get the VHPT address that cau sed the TLB miss ;; // avoid RAW on p7 (p7) tbit.nz.unc p10,p11=r19,32 // is it an instruction TLB miss ? dep r23=0,r20,0,PAGE_SHIFT // clear low bits to get page ad dress ;; (p10) itc.i r18 // insert the instruction TLB en try (p11) itc.d r18 // insert the data TLB entry - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.htmlReceived on Fri Sep 26 10:45:20 2003
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